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kearsten

  • one year ago

a student wrote the opposite of the expression(-4+x) as(x-4). what was his mistake? what is the correct answer?

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  1. zepdrix
    • one year ago
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    If by `opposite` you mean `additive inverse`, then the opposite of (-4+x) would be -(4+x) Since addition is commutative, a+b = b+a which is what is being illustrated in your example.

  2. zepdrix
    • one year ago
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    -4 + x = x + -4

  3. zepdrix
    • one year ago
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    Unless I'm misunderstanding what you meant by `opposite` +_+ Bahhh I dunno

  4. kearsten
    • one year ago
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    thnx

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